457818792642 has 48 divisors (see below), whose sum is σ = 1003449652920. Its totient is φ = 150836902656.

The previous prime is 457818792601. The next prime is 457818792643. The reversal of 457818792642 is 246297818754.

It is a happy number.

457818792642 is a `hidden beast` number, since 4 + 578 + 18 + 7 + 9 + 2 + 6 + 42 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 194843670921 + 262975121721 = 441411^2 + 512811^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 457818792642.

It is not an unprimeable number, because it can be changed into a prime (457818792643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4494508 + ... + 4595240.

Almost surely, 2^457818792642 is an apocalyptic number.

457818792642 is an abundant number, since it is smaller than the sum of its proper divisors (545630860278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

457818792642 is a wasteful number, since it uses less digits than its factorization.

457818792642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103667 (or 103664 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 63.

The spelling of 457818792642 in words is "four hundred fifty-seven billion, eight hundred eighteen million, seven hundred ninety-two thousand, six hundred forty-two".